Q:

In Computer programming there is set of subroutinedefinitions, protocols, and tools for building software andapplications. Which among the following is a term for setsof requirements that govern how one application can talkto another?

A) UPS	B) API
C) CGI	D) J2EE

Answer & Explanation Answer: B) API

Explanation:

An API may be for a web-based system, operatingsystem, database system, computer hardware, orsoftware library. It is an acronym for ApplicationProgramming Interface. An API specifies how softwarecomponents should interact and APIs are used whenprogramming graphical user interface (GUI)components.

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Q:

In a hydrogen atom, an electron moves in an orbit of radius $5.0 x 10^{- 11}$ m with a speed of $2.2 x 10^{6}$ m/s. What is the equivalent current? (Electronic charge = $1.6 x 10^{- 19}$ C)

A) 0.112 mA	B) 112 mA
C) 11.2 mA	D) 1.12 mA

Answer & Explanation Answer: D) 1.12 mA

Explanation:

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Filed Under: Physics
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Q:

Researchers from Columbia University Medical Centre in United States of America have converted which of the following into the world’s smallest data recorder?

A) Natural bacterial immune system	B) Magnetic tape
C) Viral snippet copies	D) No option is correct.

Answer & Explanation Answer: A) Natural bacterial immune system

Explanation:

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Q:

Who launched ‘National Biopharma mission’ named ‘i3’ in June, 2017?

A) Piyush Goyal	B) Rajnath Singh
C) Dr. Harsh Vardhan	D) Arun Jaitley

Answer & Explanation Answer: C) Dr. Harsh Vardhan

Explanation:

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Q:

When was India's capital shifted from Calcutta to Delhi?

A) 1911	B) 1905
C) 1910	D) 1912

Answer & Explanation Answer: A) 1911

Explanation:

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Q:

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

Uncle always welcomes us to his home with a big smile.

A) We are always welcomed by uncle to his home with a big smile.	B) Uncle is always welcoming us to his home with a big smile.
C) A big smile is used by uncle always when he is welcoming us.	D) Welcoming by uncle with a big smile to us is always done.

Answer & Explanation Answer: A) We are always welcomed by uncle to his home with a big smile.

Explanation:

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Q:

If a + b = 17 and a - b = 9 then the value of $(4 a^{2} + 4 b^{2})$ is,

A) 710	B) 720
C) 730	D) 740

Answer & Explanation Answer: D) 740

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability

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Q:

If $a + b + c = 15 a n d \frac{1}{a} + \frac{1}{b} + \frac{1}{c} = \frac{71}{a b c},$ then the $a^{3} + b^{3} + c^{3} - 3 a b c$ is

A) 160	B) 180
C) 200	D) 220

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